/*
 * Copyright (C) 2020 Agrui
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <stdlib.h>
#include <string.h>
#include <AsyncResult.h>


AsyncResult* newAsyncResult(void* useObj, void* obj, int objSize, int error) {
    AsyncResult* ar = (AsyncResult*) malloc(sizeof(AsyncResult));
    if (!ar) {
        return NULL;
    }

    if (obj && objSize != 0) {
        ar->result = malloc(objSize);
        if (!ar->result) {
            free(ar);
            return NULL;
        }
        memcpy(ar->result, obj, objSize);
        ar->resultSize = objSize;
    }

    ar->errorCode = error;
    ar->userObj = useObj;

    return ar;
}

void deleteAsyncResult(AsyncResult* ar) {
    if (ar) {
        if (ar->result) {
            free(ar->result);
        }
        free(ar);
    }
}

void deleteAsyncResultMessage(Message* msg) {
    AsyncResult* ar;
    if (msg) {
        ar = msg->obj;
        deleteAsyncResult(ar);
        msg->obj = NULL;
    }
}

AsyncResult* forMessage(Message* msg, void* obj, int objSize, int error) {
    AsyncResult* ar;
    ar = newAsyncResult(msg->obj, obj, objSize, error);
    if (!ar) {
        return NULL;
    }

    msg->obj = ar;
    return ar;
}

